CVE-2026-105493: Windows Advanced Rasterization Platform stack-based buffer overflow

CVE-2026-105493 · Severity: high · CVSS 8.8 · Published 2026-11-10

Windows Advanced Rasterization Platform (used for rendering graphics) contains a stack-based buffer overflow vulnerability that allows an authorized local attacker to elevate their privileges on the system. An attacker with standard user access could exploit this to gain system-level access and take full control of the machine.

Technologies: Microsoft Windows Advanced Rasterization Platform. Vendors: Microsoft.

Quick answers

Is CVE-2026-105493 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-105493 being exploited in the wild.
How severe is CVE-2026-105493?
High severity, with a CVSS score of 8.8, published 10 November 2026.
Which products and versions are affected?
Microsoft Windows Advanced Rasterization Platform.
Is there a fix for CVE-2026-105493?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-105493 attacked?
It is attacked with local access.
Am I affected by CVE-2026-105493?
Check whether you run Microsoft Windows Advanced Rasterization Platform. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A stack-based buffer overflow exists in Windows Advanced Rasterization Platform that can be triggered by a local authorized user. The vulnerability allows an attacker to overwrite stack memory and execute arbitrary code in a privileged context, enabling privilege escalation from a standard user to system level.

Affected products

  • Microsoft Windows Advanced Rasterization Platform

Timeline

  • 2026-11-10: disclosed

References

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